关键词: 信号转导, 信号转导

Abstract: A cutting orthogonal experiment with three factors and three levels was conducted under full light and intermittent sprinkling to study investigate the effect of compound media, type and concentration of plant growth regulators on the cutting propagation of Osmanthus fragrans ‘Yun Tian Cai Gui’. The results showed that in group A compound media and concentration of plant growth regulator had all had extremely significant effects on rooting rate except the type of plant growth regulator. The rooting effects of these three factors on the rooting rate were: compound media> concentration of plant growth regulator> type of plant growth regulator. The best treatment of group A with the rooting rate of 83.3% was: medium under compound organic substrate: pearlite: vermiculite (3:4:3), soaking 200 mg/kg of GGR for 2 hours. And in group E, except the concentration of plant growth regulator, other two factors had extremely significant effects on rooting rate. The best treatment of group E with the rooting rate of 80.0% was: medium under wormcast: pearlite: vermiculite (3:4:3), soaking 200 mg/kg of GGR for 2 hours. However, the rooting rate of the control treatment with the cutting medium of Yangtze River alluvial soil was 20%-30%. This was proved by the second experiment with a rooting rate of (90±3.3)%. Cutting under the full light and intermittent sprinkling, these two methods of cutting with the roots belonging to surface root type can shorten rooting time significantly, increase rooting quantity and product good quality seedlings according to the plan screened out.